AT&T MDC 9000 Specifications download pdf (Page 120)

Conference Calls

Description

This section explains how to set up conference calls using the [ Conf ] button on a

system phone or the switchhook on a standard phone. A conference call

connects up to five parties (including the conference originator) in a single call.

Users can connect both outside and inside parties in a conference call, but the

call cannot include more than two outside parties.

Related Features

■ You can use Outside Conference Denial (#109) to disallow conference

calls with multiple outside parties.

■ During the conference call, any inside party can exit the call at any time

simply by hanging up. However, if an outside party hangs up during a

conference call, the callers that remain in the conference may hear a dial

tone. Use Conference Drop to remove the last-added outside party from a

conference call.

Considerations

■

Users can use System Speed Dial, Personal Speed Dial, or Auto Dial

numbers to add parties to the conference.

Do not add a busy or ringing outside call to a conference; if you do, all

callers hear the busy or ringing signal. If you hear a busy signal or the party

does not answer, reconnect with the held party by pressing the line button.

Users cannot join a conference call; the originator must add each party to

the conference.

If the conference originator puts the call on hold, other parties can continue

to talk. Other inside parties can put their extensions on hold if there are

outside parties on the conference call.

When the originator hangs up, the conference is disconnected.

Conference calls cannot be transferred.

If you are using the system behind a PBX or Centrex system, the PBX or

Centrex system may include a conference calling feature that lets you

connect multiple callers on a single PBX or Centrex line. The number of

callers you can connect depends on your PBX or Centrex system. For more

information on such features, see the documentation for your PBX or

Centrex system. (When your Centrex or PBX documentation tells you to use

a switchhook flash, use the Recall feature instead.)

Outside parties may be harder to hear on a conference call than on a

two-party call, depending on the number of parties and the outside lines

connected to the system.

5-32 Conference Calls

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AT&T MDC 9000 Specifications Page 120